63879897836 has 12 divisors (see below), whose sum is σ = 112896651840. Its totient is φ = 31623711600.

The previous prime is 63879897827. The next prime is 63879897859.

63879897836 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79058876 + ... + 79059683.

It is an arithmetic number, because the mean of its divisors is an integer number (9408054320).

Almost surely, 2^63879897836 is an apocalyptic number.

It is an amenable number.

63879897836 is a deficient number, since it is larger than the sum of its proper divisors (49016754004).

63879897836 is a wasteful number, since it uses less digits than its factorization.

63879897836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158118664 (or 158118662 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 74.

The spelling of 63879897836 in words is "sixty-three billion, eight hundred seventy-nine million, eight hundred ninety-seven thousand, eight hundred thirty-six".